Folding lamp



FIG. 1 is a front elevation view of a folding lamp showing the new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a first perspective view thereof when the folding lamp is in a first state;

FIG. 8 is a second perspective view thereof when the folding lamp is in the first state; and,

FIG. 9 is a third perspective view thereof when the folding lamp is in a second state.

The portions of the article shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a folding lamp, as shown and described. 